Recommended power supply for my rig?

Hi im looking for advice on my power supply cause im buying a new card and i have a crappy 300w generic psu that needs replacing
here are my specs:

cpu: q8400(2.66 not overclocked)
mobo: MCP73M01H1 (Napa)
video card: gts 450(used to be g210)
ram: 4gb ddr2

here are my choices (running a tight budget)
cooler master gx series 550w
thermaltake tt litepower 600w

so which one O_O
4 answers Last reply
More about recommended power supply
  1. bump
    got 1 more psu

  2. Quote:
    how about this one

    SeaSonic S12II 520W 80 PLUS BRONZE Certified

    sorry really limited to these choices due to availability and price
  3. Just go to and buy an APower psu for half the price of the "name" brands. I own 4 of them (500, 640, 800 and 900watt), and they are of great quality and have never failed me yet.

    Don't listen to the hype or marketing schemes.
  4. Quote:
    The AcBel built Cooler Master eXtreme Power 500w is certainly one of the older and lower end designs in today's roundup and as such it really isn't surprising that it is not the top unit today. While the unit was able to output its claimed capacity at 45c (and at 100v AC input) it was not a great unit or even a passing unit as the DC Output Quality was just plain bad at full load. The unit’s component selection and build quality are far from top notch, the efficiency peaked at ~77% and bottomed out at ~71%. The DC Output Quality was out of specification limits at full load on ALL of the rails at 100v. At the current price of $49.99 the eXtreme Power 500w is certainly not an “eXtremely” amazing buy as it did not cleanly pass testing.

    don't know if this is related but the cooler master I am posting is a 550w GX series not extreme power,1.html
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